[llvm] [NFC][RISCV] Move Zvfbf* relative stuffs to RISCVInstrInfoZvfbf.td (PR #159619)

[Craig Topper via llvm-commits]

================
@@ -31,3 +31,63 @@ let Predicates = [HasStdExtZvfbfwma],
     DestEEW = EEWSEWx2 in {
 defm VFWMACCBF16_V : VWMAC_FV_V_F<"vfwmaccbf16", 0b111011>;
 }
+
+let Predicates = [HasStdExtZvfbfmin] in {
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topperc wrote:

Please add

```
//===----------------------------------------------------------------------===// 
// Pseudo instructions                                                           
//===----------------------------------------------------------------------===//
```

https://github.com/llvm/llvm-project/pull/159619